JP6699760B2 - 動力伝達制御装置 - Google Patents
動力伝達制御装置 Download PDFInfo
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- JP6699760B2 JP6699760B2 JP2018559602A JP2018559602A JP6699760B2 JP 6699760 B2 JP6699760 B2 JP 6699760B2 JP 2018559602 A JP2018559602 A JP 2018559602A JP 2018559602 A JP2018559602 A JP 2018559602A JP 6699760 B2 JP6699760 B2 JP 6699760B2
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- Prior art keywords
- power transmission
- rotation
- switching
- reduction mechanism
- rotation speed
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- 230000005540 biological transmission Effects 0.000 title claims description 85
- 230000007246 mechanism Effects 0.000 claims description 105
- 230000009467 reduction Effects 0.000 claims description 74
- 238000000034 method Methods 0.000 claims description 49
- 230000008569 process Effects 0.000 claims description 48
- 230000008859 change Effects 0.000 claims description 38
- 230000001360 synchronised effect Effects 0.000 claims description 24
- 230000007935 neutral effect Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 17
- 230000004044 response Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012508 change request Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/50—Signals to an engine or motor
- F16H63/502—Signals to an engine or motor for smoothing gear shifts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/0403—Synchronisation before shifting
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- B60W30/18—Propelling the vehicle
- B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/682—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings with interruption of drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Description
(係合解除状態)
係合部材と被係合部材が接触しておらず、動力伝達しない状態をいう。すなわち、本例におけるスリーブのスプラインと遊転ギヤのスプラインが接触しない状態のことであり、両側に遊転ギヤが存在する場合はニュートラル状態のことを指すものとする。
(係合開始状態)
係合部材と被係合部材が接触するが、動力伝達しない状態をいう。具体的には、スリーブ及び遊転ギヤのスプライン先端がチャンファ形状だったりR形状だったりした場合に、チャンファ同士やR同士で接触し、動力伝達しようとするとスリーブとギヤピースが離れるように反力が発生する状態を指している。また、スプライン先端が平面だった場合に先端同士で接触する場合も含む。
(係合完了状態)
係合部材と被係合部材が接触し、動力伝達する状態をいう。本例では、遊転ギヤのスプラインの隙間にスリーブのスプラインが押し込まれてしっかり噛み合い動力伝達する状態をいい、チャンファ同士やR同士、スプラインの先端同士のみが接触することを含まない。
(押付け完了状態)
係合部材を移動させて係合開始状態から係合完了状態に移行させた後、さらに係合部材を移動させて、係合部材が移動範囲の境界に到達した状態をいう。係合完了状態の一部である。この状態は、具体的には、係合完了状態からさらに係合部材を移動させるようにアクチュエータを動作させ続け、アクチュエータ自身の可動範囲の境界であるストッパに当てるように制御した状態であり、例えば、一定荷重で一定時間ストッパに押付けるようにアクチュエータを動作させた後の状態である。この状態は、スリーブが係合完了状態からさらに奥まで移動するイメージである。
(係合開始直前位置)
前記スリーブ14の作動する軸方向においてニュートラル位置と係合開始位置との間の位置であり、係合開始位置からは所定距離離れており、ニュートラル範囲内に位置している。
(係合開始位置)
係合部材と被係合部材が接触するかしないかの境界位置であって、係合解除状態と係合開始状態とが切り替わる位置のことをいう。すなわち、この位置は、係合部材と被係合部材とを係合する場合には係合部材と被係合部材が接触し始める位置であり、係合部材と被係合部材との係合を解除する場合には係合部材と被係合部材とが接触しなくなる位置である。なお、係合開始位置は、アクチュエータの作動量検出精度等を考慮して、係合部材と被係合部材が接触するかしないかの境界位置から所定距離離れた位置であってもよい。
(係合完了位置)
係合部材と被係合部材が接触する位置であって、係合開始状態と係合完了状態とが切り替わる位置のことをいう。なお、係合完了位置は、アクチュエータの作動量検出精度等を考慮して、係合開始状態と係合完了状態とが切り替わる位置から係合側に所定距離離れた位置であってもよい。
(押付け完了位置)
係合部材と被係合部材が接触する位置であって、押付け完了状態である場合の位置のことをいう。
11 エンジン(動力源)
12 インプットシャフト(第1回転軸)
13 モータジェネレータ
14 スリーブ
15 シフトフォーク
16 シフトシャフト
17 ダンパー
18 アクチュエータ
18a 作動量検出部
19a,19b 動力伝達機構
20 アウトプットシャフト(第2回転軸)
21 制御部
22 第1回転数情報
23 第2回転数情報
24 その他のセンサ情報
31 第1回転数検出部
32 第2回転数検出部
51 第1減速機構
52 第2減速機構
Claims (5)
- 第1回転軸と、
前記第1回転軸の回転数である第1回転数を調整可能に接続された動力源と、
車軸と連動して回転する前記第1回転軸とは異なる第2回転軸と、
前記第1回転数を検出する第1回転数検出部と、
前記第2回転軸の回転数である第2回転数を検出する第2回転数検出部と、
前記第1回転軸と前記第2回転軸との間で複数の動力伝達経路を有する動力伝達部と、
制御部と、
を有し、
前記動力伝達部は、少なくとも、
前記第1回転軸と前記第2回転軸との間で動力伝達を行う第1減速機構と、
前記第1回転軸と前記第2回転軸との間で動力伝達を行う前記第1減速機構と減速比が異なる第2減速機構と、
前記第1減速機構と前記第2減速機構との間で動力伝達の切り替えを行う切替機構と、
を備え、
前記制御部は、少なくとも、
前記第1減速機構による動力伝達を確立した状態から前記第2減速機構による動力伝達を確立した状態に切り替える場合において、前記第2回転数検出部が検出した前記第2回転数に基づいて前記第2減速機構による動力伝達を確立するように切り替えた後の前記第1回転数である切替後回転数を算出する切替後回転数算出処理と、
前記第1減速機構による動力伝達を解除した後に、前記第1回転数を前記切替後回転数算出処理により算出された切替後回転数に同期させるように前記動力源により前記第1回転軸の回転数を制御する同期制御処理と、
前記同期制御処理において、前記第1回転数を前記切替後回転数算出処理により算出された切替後回転数に同期完了させた後に、前記第2減速機構による動力伝達を確立するように前記切替機構を制御する切替制御処理と、
をそれぞれ実行可能に構成され、
前記切替制御処理では、前記第1回転数を前記切替後回転数算出処理により算出された切替後回転数に同期完了させる前に、前記第2減速機構による動力伝達の確立に向けて前記切替機構の制御を開始し、
前記切替機構は、
前記第1回転軸又は前記第2回転軸の何れか一方の軸と一体回転、かつ、前記一方の軸に対して軸方向に移動可能に設けられ、前記第1減速機構と前記第2減速機構との間に配置される係合部材と、
前記係合部材を軸方向に移動させるように作動するアクチュエータと、
を有し、
前記第1減速機構は、前記係合部材が前記第1減速機構側に軸方向移動した際に前記係合部材と係合完了することで前記動力伝達を確立するように構成され、
前記第2減速機構は、前記係合部材が前記第2減速機構側に軸方向移動した際に前記係合部材と係合することで前記動力伝達を確立するように構成され、
前記アクチュエータは自身の作動量を検出する作動量検出部を備え、
前記制御部は、
前記切替後回転数と前記第1回転数との回転数差である差回転及び前記差回転の単位時間あたりの変化量である差回転変化率を算出する差回転算出処理と、
前記係合部材が前記第2減速機構と係合開始するまでの間に必要な前記アクチュエータの作動量である必要作動量を算出する必要作動量算出処理と、
をそれぞれ実行可能に構成され、
前記切替制御処理では、前記差回転算出処理により算出された前記差回転及び前記差回転変化率と、前記必要作動量算出処理により算出された前記必要作動量に基づいて前記アクチュエータの作動速度を決定する
動力伝達制御装置。 - 前記係合部材と前記第2減速機構との前記軸方向の位置関係は、少なくとも
前記係合部材と前記第2減速機構との間で動力伝達が確立されない状態と動力伝達が確立される状態とが切り替わる位置である係合完了位置と、
前記係合部材と前記第1減速機構との間、および、前記係合部材と前記第2減速機構との間の両方で動力伝達が確立されないニュートラル位置と、
前記係合完了位置と前記ニュートラル位置との間に位置し、前記係合部材と前記第2減速機構との間で動力伝達が確立されないが、前記係合部材と前記第2減速機構との接触が発生し始める位置である係合開始位置と、
前記ニュートラル位置と前記係合開始位置との間に位置する係合開始直前位置と、
を有し、
前記必要作動量は、前記係合開始直前位置に達するまでの間に必要な前記アクチュエータの作動量である
請求項1に記載の動力伝達制御装置。 - 前記係合開始直前位置は、前記係合開始位置から所定距離離れた位置である
請求項3に記載の動力伝達制御装置。 - 前記同期制御処理では、前記差回転算出処理により算出された前記差回転変化率が所定変化率になるように前記動力源により前記第1回転数を制御する
請求項1、3又は4の何れか一項に記載の動力伝達制御装置。 - 前記制御部は、前記第1減速機構による動力伝達を解除した後に、前記第2減速機構による動力伝達が確立しない状態を維持しつつ、前記係合部材を前記第2減速機構に近づけるように前記アクチュエータを所定作動量作動させる処理を実行可能に構成され、
前記切替制御処理では、前記アクチュエータを前記所定作動量作動させた後であって、前記第1回転数を前記切替後回転数算出処理により算出された切替後回転数に同期完了させる前に、前記第2減速機構による動力伝達の確立に向けて前記切替機構の制御を開始する
請求項1、3、4又は5の何れか一項に記載の動力伝達制御装置。
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